Codex skills, plugins, subagents, slash commands and mcp servers

bigquery-migration-sql-translator official google skill Translates SQL queries, DDL schemas, and procedures from Oracle, Snowflake, or Redshift to BigQuery GoogleSQL via BQMS. Fits database migration tasks. Claude Code Gemini CLI 45installs frontend-testing-debugging official OpenAI skill Guides coding agents through structured frontend testing, UI checks, and bug investigations. Runs validation loops using Browser tools or local Playwright. GP ChatGPT 159installs REA morluto MCP server Wires your agent to tools for inspecting binaries, Electron apps, .NET assemblies and websites. Useful when you want to understand someone else's feature and rebuild it. Claude Code Cursor GitHub Copilot ★ 376,805repo stars ios-debugger-agent official OpenAI skill A Claude skill that builds and launches your iOS app on a simulator through XcodeBuildMCP, then lets the agent poke at the UI and read logs. GP ChatGPT 105installs ios-app-intents official OpenAI skill Designs App Intents, entities, and App Shortcuts for iOS system surfaces. Use it to expose app actions to Siri, Spotlight, widgets, or Shortcuts. GP ChatGPT 99installs game-ui-frontend official OpenAI skill Guides browser game interface design for HUDs, overlays, and menus. Keeps the playfield clear and isolates camera input during UI interactions. GP ChatGPT 98installs ios-ettrace-performance official OpenAI skill A Codex skill for capturing symbolicated ETTrace profiles in the iOS Simulator. It helps pinpoint launch latency and CPU-heavy call stacks for a specific flow. GP ChatGPT 87installs liquid-glass official OpenAI skill Implements and reviews macOS SwiftUI Liquid Glass interfaces, stripping conflicting custom backgrounds so system materials render cleanly. GP ChatGPT 78installs react-best-practices official vercel skill This skill guides agents through performance-focused React and Next.js work. Use it when writing or reviewing components, data fetching, or bundle changes. GP ChatGPT 74installs shadcn official Vercel Labs skill This skill guides Codex through adding shadcn/ui components and configuring themes. Use it when building a React interface with Tailwind CSS. GP ChatGPT 72installs application-integration-troubleshooting official google skill Diagnoses failed, stuck, or silent Google Cloud Application Integration and Integration Connectors runs. Use it when HTTP 200 does not match the work completed. Claude Code Gemini CLI 16installs application-integration-basics official google skill Guides Google Cloud Application Integration setup, region provisioning, IAM roles, platform limits, and interface choices between iPaaS and custom code. Claude Code Gemini CLI 16installs application-integration-authoring official google skill Manage Google Cloud Application Integration versions through the REST API or Python client. Use it to publish workflows and promote versions across environments. Claude Code Gemini CLI 16installs game-playtest official OpenAI skill Guides agents through browser game playtests and frontend QA. It focuses on boot checks, controls, HUD overlay balance, and visual regression capture. GP ChatGPT 62installs signing-entitlements official OpenAI skill Diagnoses macOS code signing, App Sandbox, and Gatekeeper failures. Useful when a binary or app bundle refuses to launch on macOS. GP ChatGPT 60installs build-run-debug official OpenAI skill Build, launch, and debug macOS apps through a shell-first Xcode and Swift workflow when startup or runtime failures need investigation. GP ChatGPT 60installs appkit-interop official OpenAI skill Builds narrow bridges between macOS SwiftUI and AppKit. Useful when you need NSWindow access, custom panels, responder chain handling, or menu validation. GP ChatGPT 60installs web-3d-asset-pipeline official OpenAI skill Guides browser-game 3D assets from Blender cleanup to GLB or glTF preparation. Use it after choosing a runtime stack, when asset quality or size is the remaining issue. GP ChatGPT 58installs window-management official OpenAI skill Configures macOS 15+ SwiftUI windows and scenes: toolbar chrome, drag regions, placement, and launch restoration. GP ChatGPT 58installs swiftpm-macos official OpenAI skill Builds, runs, and tests SwiftPM macOS packages and executables. Use it when Package.swift is the main entry point and no Xcode project is present. GP ChatGPT 58installs swiftui-patterns official OpenAI skill Sets desktop-first macOS SwiftUI architecture, scene models, toolbars, split views, and clean multi-file project layouts. GP ChatGPT 57installs packaging-notarization official OpenAI skill This skill checks macOS app archives, signing, and notarization readiness. Use it when preparing a build for distribution or investigating failures that appear only in distributed builds. GP ChatGPT 56installs sprite-pipeline official OpenAI skill Creates and normalizes 2D animation strips from an approved frame. Use it when game sprites need consistent scale and alignment before review. GP ChatGPT 53installs ios-simulator-browser official OpenAI skill Mirrors an iOS Simulator into the Codex in-app browser and renders SwiftUI previews from Swift packages with hot reload. Useful for testing UI and capturing visual proof without Xcode Canvas. GP ChatGPT 53installs web-game-foundations official OpenAI skill Defines browser game architecture before coding begins. Helps choose an engine and decouple simulation from rendering. GP ChatGPT 52installs view-refactor official OpenAI skill This skill restructures macOS SwiftUI views and scenes. Use it when a large view needs splitting or AppKit boundaries have grown too broad. GP ChatGPT 52installs telemetry official OpenAI skill This skill adds and verifies macOS runtime telemetry with Logger. Use it to trace windows, sidebars, menus, and user actions during debugging. GP ChatGPT 52installs test-triage official OpenAI skill Triages macOS test failures across Xcode and SwiftPM. It narrows failing scopes and separates flaky tests or setup issues from actual regressions. GP ChatGPT 51installs nextjs official Vercel Labs skill Guidance for building and debugging Next.js App Router projects. Use it to work through routing, Server Components, data fetching, and rendering choices. GP ChatGPT 50installs game-studio official OpenAI skill Helps choose a stack and plan a browser game from its core loop through playtesting. Use it when the implementation path is still open. GP ChatGPT 50installs phaser-2d-game official OpenAI skill Build 2D browser games with Phaser, TypeScript, and Vite. The skill covers scenes, gameplay systems, cameras, sprite animation, and DOM-based HUD patterns. GP ChatGPT 49installs three-webgl-game official OpenAI skill Scaffolds browser 3D games with plain Three.js, TypeScript, and Vite, adding Rapier physics and direct render loop control without React. GP ChatGPT 48installs supabase-postgres-best-practices official supabase skill A rule set for Postgres performance, maintained by Supabase. Useful when your agent writes queries, designs schemas or digs into a slow database. GP ChatGPT 40installs supabase-postgres-best-practices official supabase skill Supabase guidelines for Postgres performance optimization. Helps developers write SQL queries, design database schemas, and configure RLS. GP ChatGPT 40installs react-three-fiber-game official OpenAI skill Structures React-hosted 3D browser games and scenes using React Three Fiber and the pmndrs stack. GP ChatGPT 39installs security-scan official OpenAI skill Runs a single-pass security audit on a repository or selected path. Use it for a general review when there is no diff to inspect. GP ChatGPT 39installs stripe-best-practices official Stripe skill Integration guide for Stripe in Codex: covers Checkout Sessions, Connect Accounts v2, tax setup, and restricted API keys. GP ChatGPT 36installs figma-use official Figma skill This skill sets out how to use the Figma Plugin API through use_figma. It helps when an agent needs to change a Figma file or inspect its structure programmatically. GP ChatGPT 36installs stripe-best-practices official OpenAI skill This skill guides Stripe API choices for payments, subscriptions, marketplaces, and financial accounts. Use it when building or reviewing a Stripe integration. GP ChatGPT 36installs figma-generate-design official Figma skill Builds or updates composed Figma screens using design system components and styles. Use it to turn application pages or dialogs from code into Figma views. GP ChatGPT 33installs